Astronauts living on the moon might extract water, oxygen and other useful materials from the lunar soil. However, trying to collect it might throw up a lot of potentially toxic dust, so researchers at the University of Tennessee, Knoxville, are developing a flexible tube with magnetic coils spaced along it to suck up the iron-rich soil instead. The magnetic field channels the soil and dust along the middle of the tube to keep it from collecting on the walls.
A robot that can hurl hand grenades is being developed by military technology firm Elbit Systems of Haifa, Israel. Dubbed VIPeR,…
